Ronald D. Johnson

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Leawood, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for densifying flexible bulk containers
- Patent number 5,259,425
- Issue date Nov 9, 1993
- United States Systems, Inc.
- Ronald D. Johnson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tank truck manhole filter
- Patent number 5,071,290
- Issue date Dec 10, 1991
- United States Systems, Inc.
- Ronald D. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dry bulk hopper having an improved slope sheet
- Patent number 4,258,953
- Issue date Mar 31, 1981
- Ronald D. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Unloading system having vibratory bin discharge structure
- Patent number 4,199,282
- Issue date Apr 22, 1980
- Ronald D. Johnson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL